Determine the equation of the tangent line and the quadratic approximation to the function z = e2" at the point r = 0.

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
Publisher:Ron Larson
Chapter6: Topics In Analytic Geometry
Section6.2: Introduction To Conics: parabolas
Problem 4ECP: Find an equation of the tangent line to the parabola y=3x2 at the point 1,3.
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Determine the equation of the tangent line and the quadratic approximation to the function
z = e2" at the point r = 0.
y A
Use the oiven granhs of f and a to find each derivative:
Transcribed Image Text:Determine the equation of the tangent line and the quadratic approximation to the function z = e2" at the point r = 0. y A Use the oiven granhs of f and a to find each derivative:
Expert Solution
Step 1

Given function is: z=e2x

To find the equation of the tangent at a point x=x0 to curve y=fx, determine the slope of the tangent which is dydt at x=x0.

Differentiate the function z=e2x

dzdt=2e2x

The slope at x=0 is:

dzdtx=0=2e20=2

At x=0, the value of the function is: 

z0=e20=1

Then, the equation of the tangent is given by the formula:

z-z0=dzdxx0x-x0z-1=2x-0z=2x+1

Therefore, the equation of the tangent at x=0 is z=2x+1

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